./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b88866a66e040da6249cd5acf77993c03d3c500f ............................................................................................................................................................................................................................................................................................. Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b88866a66e040da6249cd5acf77993c03d3c500f ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:50:49,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:50:49,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:50:49,212 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:50:49,212 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:50:49,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:50:49,214 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:50:49,216 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:50:49,218 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:50:49,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:50:49,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:50:49,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:50:49,221 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:50:49,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:50:49,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:50:49,224 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:50:49,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:50:49,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:50:49,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:50:49,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:50:49,232 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:50:49,233 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:50:49,234 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:50:49,235 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:50:49,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:50:49,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:50:49,238 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:50:49,239 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:50:49,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:50:49,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:50:49,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:50:49,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:50:49,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:50:49,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:50:49,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:50:49,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:50:49,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:50:49,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:50:49,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:50:49,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:50:49,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:50:49,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-27 23:50:49,262 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:50:49,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:50:49,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:50:49,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:50:49,265 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:50:49,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:50:49,265 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:50:49,265 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-27 23:50:49,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:50:49,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:50:49,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:50:49,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:50:49,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:50:49,267 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:50:49,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:50:49,267 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:50:49,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:50:49,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:50:49,268 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:50:49,268 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:50:49,268 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:50:49,268 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:50:49,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:50:49,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:50:49,269 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:50:49,269 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-27 23:50:49,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-27 23:50:49,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:50:49,270 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b88866a66e040da6249cd5acf77993c03d3c500f [2019-11-27 23:50:49,558 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:50:49,570 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:50:49,573 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:50:49,575 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:50:49,575 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:50:49,576 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2019-11-27 23:50:49,650 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/266f6a03f/9e3c19641d6c40afb150cc860350de6b/FLAGa6e6a993e [2019-11-27 23:50:50,092 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:50:50,093 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2019-11-27 23:50:50,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/266f6a03f/9e3c19641d6c40afb150cc860350de6b/FLAGa6e6a993e [2019-11-27 23:50:50,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/266f6a03f/9e3c19641d6c40afb150cc860350de6b [2019-11-27 23:50:50,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:50:50,472 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:50:50,474 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:50:50,475 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:50:50,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:50:50,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,482 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e45741f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50, skipping insertion in model container [2019-11-27 23:50:50,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,489 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:50:50,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:50:50,726 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:50:50,729 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:50:50,820 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:50:50,842 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:50:50,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50 WrapperNode [2019-11-27 23:50:50,842 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:50:50,843 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:50:50,843 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:50:50,843 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:50:50,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,873 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,901 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:50:50,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:50:50,902 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:50:50,903 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:50:50,910 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... [2019-11-27 23:50:50,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:50:50,930 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:50:50,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:50:50,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:50:50,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:50:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-11-27 23:50:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-27 23:50:50,982 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-11-27 23:50:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:50:50,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:50:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-27 23:50:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:50:50,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:50:51,350 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:50:51,351 INFO L297 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-27 23:50:51,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:51 BoogieIcfgContainer [2019-11-27 23:50:51,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:50:51,353 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:50:51,353 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:50:51,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:50:51,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:50:50" (1/3) ... [2019-11-27 23:50:51,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b55921a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:50:51, skipping insertion in model container [2019-11-27 23:50:51,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:50" (2/3) ... [2019-11-27 23:50:51,360 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b55921a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:50:51, skipping insertion in model container [2019-11-27 23:50:51,360 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:51" (3/3) ... [2019-11-27 23:50:51,363 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092d.c [2019-11-27 23:50:51,381 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:50:51,388 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:50:51,398 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:50:51,417 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:50:51,418 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:50:51,418 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:50:51,418 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:50:51,419 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:50:51,419 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:50:51,419 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:50:51,419 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:50:51,435 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-11-27 23:50:51,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:50:51,442 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:51,443 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:51,443 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:51,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:51,449 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2019-11-27 23:50:51,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:50:51,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263641404] [2019-11-27 23:50:51,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:50:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:50:51,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:51,553 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [263641404] [2019-11-27 23:50:51,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:50:51,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-27 23:50:51,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948413238] [2019-11-27 23:50:51,559 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:50:51,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-27 23:50:51,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:50:51,570 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:50:51,572 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-11-27 23:50:51,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:50:51,588 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions. [2019-11-27 23:50:51,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:50:51,589 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-27 23:50:51,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:50:51,600 INFO L225 Difference]: With dead ends: 56 [2019-11-27 23:50:51,600 INFO L226 Difference]: Without dead ends: 26 [2019-11-27 23:50:51,606 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:50:51,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-27 23:50:51,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-27 23:50:51,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-27 23:50:51,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2019-11-27 23:50:51,657 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2019-11-27 23:50:51,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:50:51,658 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-27 23:50:51,659 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:50:51,659 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2019-11-27 23:50:51,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 23:50:51,660 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:51,661 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:51,661 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:51,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:51,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2019-11-27 23:50:51,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-27 23:50:51,664 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666943403] [2019-11-27 23:50:51,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-27 23:50:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:50:51,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-27 23:50:51,964 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-27 23:50:51,964 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-11-27 23:50:52,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:50:52 BoogieIcfgContainer [2019-11-27 23:50:52,007 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:50:52,007 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:50:52,008 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:50:52,008 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:50:52,009 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:51" (3/4) ... [2019-11-27 23:50:52,013 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-27 23:50:52,013 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:50:52,018 INFO L168 Benchmark]: Toolchain (without parser) took 1543.86 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -100.8 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:52,019 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:50:52,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:52,022 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:50:52,023 INFO L168 Benchmark]: Boogie Preprocessor took 28.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:50:52,024 INFO L168 Benchmark]: RCFGBuilder took 421.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:52,025 INFO L168 Benchmark]: TraceAbstraction took 653.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:50:52,026 INFO L168 Benchmark]: Witness Printer took 6.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:50:52,037 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.19 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 952.3 MB in the beginning and 1.1 GB in the end (delta: -153.9 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 58.95 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 421.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.3 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 653.97 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Witness Printer took 6.34 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 81]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryArithmeticFLOAToperation at line 76, overapproximation of bitwiseAnd at line 64. Possible FailurePath: [L11] static const float huge_ceil = 1.0e30; VAL [huge_ceil=1000000000000000000000000000000] [L76] float x = -1.0f / 0.0f; [L14] __int32_t i0, j0; [L15] __uint32_t i, ix; VAL [huge_ceil=1000000000000000000000000000000] [L17] ieee_float_shape_type gf_u; [L18] gf_u.value = (x) [L19] EXPR gf_u.word [L19] (i0) = gf_u.word [L21] ix = (i0 & 0x7fffffff) [L22] j0 = (ix >> 23) - 0x7f VAL [huge_ceil=1000000000000000000000000000000] [L23] COND FALSE !(j0 < 23) VAL [huge_ceil=1000000000000000000000000000000] [L43] COND FALSE !(!((ix) < 0x7f800000L)) [L46] return x; VAL [huge_ceil=1000000000000000000000000000000] [L77] float res = ceil_float(x); [L58] __int32_t ix; VAL [huge_ceil=1000000000000000000000000000000] [L60] ieee_float_shape_type gf_u; [L61] gf_u.value = (x) [L62] EXPR gf_u.word [L62] (ix) = gf_u.word [L64] ix &= 0x7fffffff [L65] return ((ix) == 0x7f800000L); VAL [huge_ceil=1000000000000000000000000000000] [L80] COND TRUE !isinf_float(res) [L81] __VERIFIER_error() VAL [huge_ceil=1000000000000000000000000000000] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Result: UNSAFE, OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 37 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 121 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-30f4e4a [2019-11-27 23:50:53,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-27 23:50:53,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-27 23:50:53,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-27 23:50:53,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-27 23:50:53,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-27 23:50:53,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-27 23:50:53,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-27 23:50:53,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-27 23:50:53,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-27 23:50:53,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-27 23:50:53,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-27 23:50:53,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-27 23:50:53,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-27 23:50:53,999 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-27 23:50:54,002 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-27 23:50:54,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-27 23:50:54,005 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-27 23:50:54,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-27 23:50:54,012 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-27 23:50:54,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-27 23:50:54,019 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-27 23:50:54,020 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-27 23:50:54,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-27 23:50:54,025 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-27 23:50:54,025 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-27 23:50:54,025 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-27 23:50:54,027 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-27 23:50:54,027 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-27 23:50:54,028 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-27 23:50:54,029 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-27 23:50:54,029 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-27 23:50:54,030 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-27 23:50:54,031 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-27 23:50:54,032 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-27 23:50:54,032 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-27 23:50:54,033 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-27 23:50:54,034 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-27 23:50:54,034 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-27 23:50:54,036 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-27 23:50:54,037 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-27 23:50:54,038 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-11-27 23:50:54,070 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-27 23:50:54,070 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-27 23:50:54,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-27 23:50:54,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-27 23:50:54,071 INFO L138 SettingsManager]: * Use SBE=true [2019-11-27 23:50:54,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-27 23:50:54,072 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-27 23:50:54,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-27 23:50:54,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-27 23:50:54,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-27 23:50:54,073 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-27 23:50:54,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-27 23:50:54,073 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-11-27 23:50:54,073 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-11-27 23:50:54,073 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-27 23:50:54,074 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-27 23:50:54,074 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-27 23:50:54,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-27 23:50:54,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-27 23:50:54,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-27 23:50:54,075 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-27 23:50:54,075 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-27 23:50:54,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:50:54,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-27 23:50:54,076 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-27 23:50:54,076 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-27 23:50:54,076 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-11-27 23:50:54,076 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-11-27 23:50:54,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-27 23:50:54,077 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-11-27 23:50:54,077 INFO L138 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b88866a66e040da6249cd5acf77993c03d3c500f [2019-11-27 23:50:54,373 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-27 23:50:54,386 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-27 23:50:54,390 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-27 23:50:54,392 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-27 23:50:54,393 INFO L275 PluginConnector]: CDTParser initialized [2019-11-27 23:50:54,394 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2019-11-27 23:50:54,462 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54707fbc/9816fd0fe1b44934b5c361c14c0e2512/FLAGcc63af277 [2019-11-27 23:50:54,914 INFO L306 CDTParser]: Found 1 translation units. [2019-11-27 23:50:54,915 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/float-newlib/float_req_bl_1092d.c [2019-11-27 23:50:54,925 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54707fbc/9816fd0fe1b44934b5c361c14c0e2512/FLAGcc63af277 [2019-11-27 23:50:55,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a54707fbc/9816fd0fe1b44934b5c361c14c0e2512 [2019-11-27 23:50:55,283 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-27 23:50:55,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-27 23:50:55,286 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-27 23:50:55,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-27 23:50:55,289 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-27 23:50:55,290 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,293 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e137d3e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55, skipping insertion in model container [2019-11-27 23:50:55,293 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,301 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-27 23:50:55,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-27 23:50:55,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:50:55,527 INFO L203 MainTranslator]: Completed pre-run [2019-11-27 23:50:55,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-27 23:50:55,652 INFO L208 MainTranslator]: Completed translation [2019-11-27 23:50:55,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55 WrapperNode [2019-11-27 23:50:55,653 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-27 23:50:55,654 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-27 23:50:55,654 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-27 23:50:55,654 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-27 23:50:55,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,682 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-27 23:50:55,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-27 23:50:55,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-27 23:50:55,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-27 23:50:55,712 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,712 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,726 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,734 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... [2019-11-27 23:50:55,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-27 23:50:55,738 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-27 23:50:55,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-27 23:50:55,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-27 23:50:55,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-27 23:50:55,802 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-27 23:50:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2019-11-27 23:50:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-11-27 23:50:55,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-27 23:50:55,804 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-27 23:50:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2019-11-27 23:50:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-11-27 23:50:55,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-27 23:50:56,334 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-27 23:50:56,334 INFO L297 CfgBuilder]: Removed 14 assume(true) statements. [2019-11-27 23:50:56,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:56 BoogieIcfgContainer [2019-11-27 23:50:56,335 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-27 23:50:56,337 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-27 23:50:56,337 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-27 23:50:56,340 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-27 23:50:56,340 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 11:50:55" (1/3) ... [2019-11-27 23:50:56,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124601f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:50:56, skipping insertion in model container [2019-11-27 23:50:56,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 11:50:55" (2/3) ... [2019-11-27 23:50:56,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@124601f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 11:50:56, skipping insertion in model container [2019-11-27 23:50:56,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:56" (3/3) ... [2019-11-27 23:50:56,347 INFO L109 eAbstractionObserver]: Analyzing ICFG float_req_bl_1092d.c [2019-11-27 23:50:56,357 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-27 23:50:56,367 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-27 23:50:56,379 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-27 23:50:56,401 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-27 23:50:56,402 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-27 23:50:56,402 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-27 23:50:56,402 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-27 23:50:56,402 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-27 23:50:56,402 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-27 23:50:56,403 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-27 23:50:56,403 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-27 23:50:56,414 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2019-11-27 23:50:56,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-11-27 23:50:56,421 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:56,422 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:56,422 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:56,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:56,428 INFO L82 PathProgramCache]: Analyzing trace with hash -2064187560, now seen corresponding path program 1 times [2019-11-27 23:50:56,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:50:56,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [105157635] [2019-11-27 23:50:56,438 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-11-27 23:50:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:50:56,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 1 conjunts are in the unsatisfiable core [2019-11-27 23:50:56,545 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:50:56,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:56,557 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:50:56,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:56,563 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [105157635] [2019-11-27 23:50:56,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:50:56,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2, 2] imperfect sequences [] total 2 [2019-11-27 23:50:56,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773211501] [2019-11-27 23:50:56,569 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-27 23:50:56,569 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:50:56,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-27 23:50:56,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:50:56,581 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 2 states. [2019-11-27 23:50:56,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:50:56,597 INFO L93 Difference]: Finished difference Result 56 states and 86 transitions. [2019-11-27 23:50:56,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-27 23:50:56,599 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 12 [2019-11-27 23:50:56,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:50:56,608 INFO L225 Difference]: With dead ends: 56 [2019-11-27 23:50:56,608 INFO L226 Difference]: Without dead ends: 26 [2019-11-27 23:50:56,612 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-27 23:50:56,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2019-11-27 23:50:56,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2019-11-27 23:50:56,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2019-11-27 23:50:56,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 34 transitions. [2019-11-27 23:50:56,645 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 34 transitions. Word has length 12 [2019-11-27 23:50:56,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:50:56,645 INFO L462 AbstractCegarLoop]: Abstraction has 26 states and 34 transitions. [2019-11-27 23:50:56,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-27 23:50:56,645 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2019-11-27 23:50:56,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 23:50:56,646 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:56,646 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:56,862 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-11-27 23:50:56,863 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:56,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:56,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1026834198, now seen corresponding path program 1 times [2019-11-27 23:50:56,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:50:56,865 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1512346618] [2019-11-27 23:50:56,866 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-11-27 23:50:56,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:50:56,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 8 conjunts are in the unsatisfiable core [2019-11-27 23:50:56,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:50:57,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:57,109 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:50:57,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:57,217 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1512346618] [2019-11-27 23:50:57,217 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:50:57,217 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:50:57,217 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652039655] [2019-11-27 23:50:57,220 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:50:57,220 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:50:57,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:50:57,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:50:57,222 INFO L87 Difference]: Start difference. First operand 26 states and 34 transitions. Second operand 8 states. [2019-11-27 23:50:57,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:50:57,536 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2019-11-27 23:50:57,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:50:57,538 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2019-11-27 23:50:57,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:50:57,539 INFO L225 Difference]: With dead ends: 37 [2019-11-27 23:50:57,539 INFO L226 Difference]: Without dead ends: 22 [2019-11-27 23:50:57,541 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:50:57,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2019-11-27 23:50:57,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2019-11-27 23:50:57,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2019-11-27 23:50:57,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 24 transitions. [2019-11-27 23:50:57,547 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 24 transitions. Word has length 14 [2019-11-27 23:50:57,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:50:57,548 INFO L462 AbstractCegarLoop]: Abstraction has 22 states and 24 transitions. [2019-11-27 23:50:57,548 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:50:57,548 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2019-11-27 23:50:57,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-27 23:50:57,549 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:57,549 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:57,763 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-11-27 23:50:57,764 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:57,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:57,765 INFO L82 PathProgramCache]: Analyzing trace with hash -217487572, now seen corresponding path program 1 times [2019-11-27 23:50:57,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:50:57,766 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1619718271] [2019-11-27 23:50:57,767 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 4 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with mathsat -unsat_core_generation=3 [2019-11-27 23:50:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:50:57,890 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-27 23:50:57,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:50:57,960 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-27 23:50:58,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:58,025 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:50:58,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:58,720 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1619718271] [2019-11-27 23:50:58,720 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:50:58,720 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8, 8] imperfect sequences [] total 15 [2019-11-27 23:50:58,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515114667] [2019-11-27 23:50:58,721 INFO L442 AbstractCegarLoop]: Interpolant automaton has 15 states [2019-11-27 23:50:58,721 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:50:58,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2019-11-27 23:50:58,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2019-11-27 23:50:58,723 INFO L87 Difference]: Start difference. First operand 22 states and 24 transitions. Second operand 15 states. [2019-11-27 23:50:59,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:50:59,407 INFO L93 Difference]: Finished difference Result 30 states and 31 transitions. [2019-11-27 23:50:59,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-11-27 23:50:59,411 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 14 [2019-11-27 23:50:59,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:50:59,412 INFO L225 Difference]: With dead ends: 30 [2019-11-27 23:50:59,412 INFO L226 Difference]: Without dead ends: 21 [2019-11-27 23:50:59,413 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2019-11-27 23:50:59,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-11-27 23:50:59,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-11-27 23:50:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-11-27 23:50:59,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2019-11-27 23:50:59,418 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2019-11-27 23:50:59,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:50:59,419 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2019-11-27 23:50:59,419 INFO L463 AbstractCegarLoop]: Interpolant automaton has 15 states. [2019-11-27 23:50:59,419 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2019-11-27 23:50:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-27 23:50:59,420 INFO L402 BasicCegarLoop]: Found error trace [2019-11-27 23:50:59,420 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-27 23:50:59,621 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 mathsat -unsat_core_generation=3 [2019-11-27 23:50:59,621 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-27 23:50:59,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-27 23:50:59,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1158240359, now seen corresponding path program 1 times [2019-11-27 23:50:59,623 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-11-27 23:50:59,624 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [205616537] [2019-11-27 23:50:59,624 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat Starting monitored process 5 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with mathsat -unsat_core_generation=3 [2019-11-27 23:50:59,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-27 23:50:59,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-27 23:50:59,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-27 23:50:59,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:59,814 INFO L320 TraceCheckSpWp]: Computing backward predicates... [2019-11-27 23:50:59,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-27 23:50:59,919 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [205616537] [2019-11-27 23:50:59,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-11-27 23:50:59,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5, 5] imperfect sequences [] total 8 [2019-11-27 23:50:59,919 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041143854] [2019-11-27 23:50:59,920 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-27 23:50:59,920 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-11-27 23:50:59,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-27 23:50:59,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-11-27 23:50:59,921 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 8 states. [2019-11-27 23:51:00,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-27 23:51:00,044 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2019-11-27 23:51:00,045 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-27 23:51:00,045 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 18 [2019-11-27 23:51:00,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-27 23:51:00,045 INFO L225 Difference]: With dead ends: 21 [2019-11-27 23:51:00,046 INFO L226 Difference]: Without dead ends: 0 [2019-11-27 23:51:00,046 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-11-27 23:51:00,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-27 23:51:00,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-27 23:51:00,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-27 23:51:00,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-27 23:51:00,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2019-11-27 23:51:00,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-27 23:51:00,047 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-27 23:51:00,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-27 23:51:00,047 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-27 23:51:00,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-27 23:51:00,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 mathsat -unsat_core_generation=3 [2019-11-27 23:51:00,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-27 23:51:00,429 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-11-27 23:51:00,570 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-11-27 23:51:00,696 INFO L246 CegarLoopResult]: For program point L23(lines 23 47) no Hoare annotation was computed. [2019-11-27 23:51:00,696 INFO L249 CegarLoopResult]: At program point L85(lines 68 86) the Hoare annotation is: true [2019-11-27 23:51:00,697 INFO L246 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2019-11-27 23:51:00,697 INFO L246 CegarLoopResult]: For program point L48(lines 48 52) no Hoare annotation was computed. [2019-11-27 23:51:00,697 INFO L246 CegarLoopResult]: For program point L48-1(lines 13 54) no Hoare annotation was computed. [2019-11-27 23:51:00,697 INFO L246 CegarLoopResult]: For program point L48-2(lines 48 52) no Hoare annotation was computed. [2019-11-27 23:51:00,697 INFO L246 CegarLoopResult]: For program point L36(lines 36 40) no Hoare annotation was computed. [2019-11-27 23:51:00,697 INFO L242 CegarLoopResult]: At program point L65(lines 57 66) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (= (_ bv0 32) (bvadd |ULTIMATE.start_isinf_float_#res| (_ bv4294967295 32))) (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= .cse0 ULTIMATE.start_isinf_float_~x) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_ceil_float_~x)) (= (_ bv0 32) (bvadd (bvand (_ bv2147483647 32) ULTIMATE.start_isinf_float_~ix~1) (_ bv2155872256 32))))) [2019-11-27 23:51:00,698 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-27 23:51:00,698 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-27 23:51:00,698 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-27 23:51:00,698 INFO L246 CegarLoopResult]: For program point L28(lines 28 30) no Hoare annotation was computed. [2019-11-27 23:51:00,698 INFO L246 CegarLoopResult]: For program point L24(lines 24 41) no Hoare annotation was computed. [2019-11-27 23:51:00,698 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 81) no Hoare annotation was computed. [2019-11-27 23:51:00,699 INFO L242 CegarLoopResult]: At program point L53(lines 13 54) the Hoare annotation is: (and (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) (= (let ((.cse0 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse0 .cse0)) |ULTIMATE.start_ceil_float_#res|) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_ceil_float_~x))) [2019-11-27 23:51:00,699 INFO L246 CegarLoopResult]: For program point L16-1(lines 16 20) no Hoare annotation was computed. [2019-11-27 23:51:00,699 INFO L242 CegarLoopResult]: At program point L16-2(lines 16 20) the Hoare annotation is: (and (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_ceil_float_~x))) [2019-11-27 23:51:00,699 INFO L246 CegarLoopResult]: For program point L16-3(lines 16 20) no Hoare annotation was computed. [2019-11-27 23:51:00,699 INFO L246 CegarLoopResult]: For program point L37(lines 37 38) no Hoare annotation was computed. [2019-11-27 23:51:00,700 INFO L246 CegarLoopResult]: For program point L37-2(lines 37 38) no Hoare annotation was computed. [2019-11-27 23:51:00,700 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-27 23:51:00,700 INFO L246 CegarLoopResult]: For program point L25(lines 25 31) no Hoare annotation was computed. [2019-11-27 23:51:00,700 INFO L246 CegarLoopResult]: For program point L34(lines 34 35) no Hoare annotation was computed. [2019-11-27 23:51:00,700 INFO L246 CegarLoopResult]: For program point L26(lines 26 30) no Hoare annotation was computed. [2019-11-27 23:51:00,700 INFO L246 CegarLoopResult]: For program point L59-1(lines 59 63) no Hoare annotation was computed. [2019-11-27 23:51:00,701 INFO L242 CegarLoopResult]: At program point L59-2(lines 59 63) the Hoare annotation is: (let ((.cse0 (let ((.cse1 (fp.div roundNearestTiesToEven (fp.neg ((_ to_fp 8 24) roundNearestTiesToEven 1.0)) (_ +zero 8 24)))) (fp.add roundNearestTiesToEven .cse1 .cse1)))) (and (exists ((ULTIMATE.start_ceil_float_~i0~0 (_ BitVec 32)) (currentRoundingMode RoundingMode)) (and (= (bvand (_ bv2147483647 32) ULTIMATE.start_ceil_float_~i0~0) ULTIMATE.start_ceil_float_~ix~0) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0))))) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) (fp ((_ extract 31 31) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 30 23) ULTIMATE.start_ceil_float_~i0~0) ((_ extract 22 0) ULTIMATE.start_ceil_float_~i0~0)))) (= .cse0 |ULTIMATE.start_ceil_float_#res|) (= .cse0 ULTIMATE.start_isinf_float_~x) (= currentRoundingMode roundNearestTiesToEven) (exists ((currentRoundingMode RoundingMode)) (= (fp.div currentRoundingMode (fp.neg ((_ to_fp 8 24) currentRoundingMode 1.0)) (_ +zero 8 24)) ULTIMATE.start_ceil_float_~x)))) [2019-11-27 23:51:00,701 INFO L246 CegarLoopResult]: For program point L59-3(lines 59 63) no Hoare annotation was computed. [2019-11-27 23:51:00,702 INFO L246 CegarLoopResult]: For program point L80(lines 80 83) no Hoare annotation was computed. [2019-11-27 23:51:00,702 INFO L246 CegarLoopResult]: For program point L43(lines 43 46) no Hoare annotation was computed. [2019-11-27 23:51:00,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,712 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,713 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,714 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,718 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,719 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,720 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,722 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,727 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,730 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,731 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,733 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,733 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,734 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,734 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,735 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,737 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,737 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,738 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,738 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,742 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,744 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,746 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,747 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,749 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,750 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,754 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,755 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,755 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,756 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,758 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,759 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,760 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,761 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,764 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,765 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,766 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,767 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,769 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,770 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,770 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,772 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,772 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,773 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,775 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,775 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,777 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,777 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,778 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,780 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,780 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,781 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,782 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,783 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,786 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,786 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,787 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,788 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,788 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,789 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,790 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,790 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,791 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,792 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,793 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,796 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,797 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,798 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,799 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,799 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,800 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,800 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 11:51:00 BoogieIcfgContainer [2019-11-27 23:51:00,807 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-27 23:51:00,807 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-27 23:51:00,808 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-27 23:51:00,810 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-27 23:51:00,811 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 11:50:56" (3/4) ... [2019-11-27 23:51:00,815 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-27 23:51:00,826 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2019-11-27 23:51:00,826 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-27 23:51:00,826 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-27 23:51:00,849 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2019-11-27 23:51:00,850 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\exists ULTIMATE.start_ceil_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2019-11-27 23:51:00,851 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\exists ULTIMATE.start_ceil_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) [2019-11-27 23:51:00,851 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0bv32 == ~bvadd64(\result, 4294967295bv32) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && 0bv32 == ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) [2019-11-27 23:51:00,881 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-27 23:51:00,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-27 23:51:00,884 INFO L168 Benchmark]: Toolchain (without parser) took 5599.22 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.0 MB in the beginning and 927.9 MB in the end (delta: 23.1 MB). Peak memory consumption was 175.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:51:00,884 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 976.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:51:00,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 367.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. [2019-11-27 23:51:00,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-27 23:51:00,886 INFO L168 Benchmark]: Boogie Preprocessor took 33.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:51:00,887 INFO L168 Benchmark]: RCFGBuilder took 597.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-11-27 23:51:00,887 INFO L168 Benchmark]: TraceAbstraction took 4469.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 181.0 MB). Peak memory consumption was 181.0 MB. Max. memory is 11.5 GB. [2019-11-27 23:51:00,888 INFO L168 Benchmark]: Witness Printer took 74.82 ms. Allocated memory is still 1.2 GB. Free memory was 934.6 MB in the beginning and 927.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-27 23:51:00,892 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 976.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 367.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -190.9 MB). Peak memory consumption was 20.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.87 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 597.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4469.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 934.6 MB in the end (delta: 181.0 MB). Peak memory consumption was 181.0 MB. Max. memory is 11.5 GB. * Witness Printer took 74.82 ms. Allocated memory is still 1.2 GB. Free memory was 934.6 MB in the beginning and 927.9 MB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode - GenericResult: Unfinished Backtranslation unknown boogie variable currentRoundingMode * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 81]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant [2019-11-27 23:51:00,920 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,921 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,922 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,925 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,926 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,927 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,928 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,928 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,929 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,930 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((\exists ULTIMATE.start_ceil_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 68]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 57]: Loop Invariant [2019-11-27 23:51:00,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,932 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,933 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,934 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,935 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,936 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,937 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,937 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,938 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,939 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,942 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: ((((((0bv32 == ~bvadd64(\result, 4294967295bv32) && (\exists ULTIMATE.start_ceil_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0]))) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x)) && 0bv32 == ~bvadd64(~bvand32(2147483647bv32, ix), 2155872256bv32) - InvariantResult [Line: 16]: Loop Invariant [2019-11-27 23:51:00,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,944 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,945 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - InvariantResult [Line: 59]: Loop Invariant [2019-11-27 23:51:00,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,946 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,947 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,948 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,951 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,951 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,952 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,952 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode [2019-11-27 23:51:00,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,953 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_ceil_float_~i0~0,QUANTIFIED] [2019-11-27 23:51:00,954 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,955 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,958 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Declaration ConstDeclaration not handled for expression ~roundNearestTiesToEven [2019-11-27 23:51:00,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,958 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[currentRoundingMode,QUANTIFIED] [2019-11-27 23:51:00,959 WARN L1295 BoogieBacktranslator]: unknown boogie variable currentRoundingMode Derived loop invariant: (((((\exists ULTIMATE.start_ceil_float_~i0~0 : bv32, currentRoundingMode : FloatRoundingMode :: ~bvand32(2147483647bv32, ULTIMATE.start_ceil_float_~i0~0) == ix && ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(ULTIMATE.start_ceil_float_~i0~0[31:31], ULTIMATE.start_ceil_float_~i0~0[30:23], ULTIMATE.start_ceil_float_~i0~0[22:0])) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == ~fp~LONGDOUBLE(i0[31:31], i0[30:23], i0[22:0]))) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == \result) && ~fp.add~FLOAT(~roundNearestTiesToEven, ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE()), ~fp.div~FLOAT(~roundNearestTiesToEven, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(~roundNearestTiesToEven, 1.0)), ~Pluszero~LONGDOUBLE())) == x) && unknown-currentRoundingMode-unknown == ~roundNearestTiesToEven) && (\exists currentRoundingMode : FloatRoundingMode :: ~fp.div~FLOAT(currentRoundingMode, ~fp.neg~FLOAT(~to_fp~LONGDOUBLE(currentRoundingMode, 1.0)), ~Pluszero~LONGDOUBLE()) == x) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 29 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 69 SDtfs, 134 SDslu, 146 SDs, 0 SdLazy, 112 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 117 GetRequests, 82 SyntacticMatches, 1 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=29occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 5 PreInvPairs, 10 NumberOfFragments, 273 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 108 ConstructedInterpolants, 18 QuantifiedInterpolants, 8589 SizeOfPredicates, 28 NumberOfNonLiveVariables, 173 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...